BS EN 673-2011 建筑玻璃.热传递系数(U值)的测定.计算方法
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【英文标准名称】:Glassinbuilding.Determinationofthermaltransmittance(Uvalue).Calculationmethod
【原文标准名称】:建筑玻璃.热传递系数(U值)的测定.计算方法
【标准号】:BSEN673-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-05-31
【实施或试行日期】:2011-05-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Coated;Construction;Definitions;Determination;Gases;Glass;Glassforbuildingpurposes;Glazing;Heattransmission;Materialproperties;Mathematicalcalculations;Methodsofcalculation;Multipleglazing;Properties;Ratings;Space;Symbols;Thermalinsulation;Thermalprotection;Thermalresistance;Thermaltransmissioncoefficient;U-values;Windows
【摘要】:ThisEuropeanStandardspecifiesacalculationmethodtodeterminethethermaltransmittanceofglazingwithflatandparallelsurfaces.ThisEuropeanStandardappliestouncoatedglass(includingglasswithstructuredsurfaces,e.g.patternedglass),coatedglassandmaterialsnottransparentinthefarinfraredwhichisthecaseforsodalimeglassproducts,borosilicateglassandglassceramic.Itappliesalsotomultipleglazingcomprisingsuchglassesand/ormaterials.Itdoesnotapplytomultipleglazingwhichincludeinthegasspacesheetsorfoilsthatarefarinfraredtransparent.TheprocedurespecifiedinthisEuropeanStandarddeterminestheUvalue)(thermaltransmittance)inthecentralareaofglazing.Theedgeeffectsduetothethermalbridgethroughthespacerofasealedglazingunitorthroughthewindowframearenotincluded.Furthermore,energytransferduetosolarradiationisnottakenintoaccount.TheeffectsofGeorgianandotherbarsareexcludedfromthescopeofthisEuropeanStandard.ThestandardforthecalculationoftheoverallUvalueofwindows,doorsandshutters(seeENISO10077-1[1])givesnormativereferencetotheUvaluecalculatedfortheglazingcomponentsaccordingtothisstandard.Forthepurposeofproductcomparison,averticalpositionoftheglazingisspecified.Inaddition,Uvaluesarecalculatedusingthesameprocedureforotherpurposes,inparticularforpredicting:?heatlossthroughglazing;?conductionheatgainsinsummer;?condensationonglazingsurfaces;?theeffectoftheabsorbedsolarradiationindeterminingthesolarfactor(seeBibliography,[2]).Referenceshouldbemadeto[3],[4]and[5]orotherEuropeanStandardsdealingwithheatlosscalculationsfortheapplicationofglazingUvaluesdeterminedbythisstandard.AprocedureforthedeterminationofemissivityisgiveninEN12898.Theruleshavebeenmadeassimpleaspossibleconsistentwithaccuracy.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:22P.;A4
【正文语种】:英语
【原文标准名称】:建筑玻璃.热传递系数(U值)的测定.计算方法
【标准号】:BSEN673-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-05-31
【实施或试行日期】:2011-05-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Coated;Construction;Definitions;Determination;Gases;Glass;Glassforbuildingpurposes;Glazing;Heattransmission;Materialproperties;Mathematicalcalculations;Methodsofcalculation;Multipleglazing;Properties;Ratings;Space;Symbols;Thermalinsulation;Thermalprotection;Thermalresistance;Thermaltransmissioncoefficient;U-values;Windows
【摘要】:ThisEuropeanStandardspecifiesacalculationmethodtodeterminethethermaltransmittanceofglazingwithflatandparallelsurfaces.ThisEuropeanStandardappliestouncoatedglass(includingglasswithstructuredsurfaces,e.g.patternedglass),coatedglassandmaterialsnottransparentinthefarinfraredwhichisthecaseforsodalimeglassproducts,borosilicateglassandglassceramic.Itappliesalsotomultipleglazingcomprisingsuchglassesand/ormaterials.Itdoesnotapplytomultipleglazingwhichincludeinthegasspacesheetsorfoilsthatarefarinfraredtransparent.TheprocedurespecifiedinthisEuropeanStandarddeterminestheUvalue)(thermaltransmittance)inthecentralareaofglazing.Theedgeeffectsduetothethermalbridgethroughthespacerofasealedglazingunitorthroughthewindowframearenotincluded.Furthermore,energytransferduetosolarradiationisnottakenintoaccount.TheeffectsofGeorgianandotherbarsareexcludedfromthescopeofthisEuropeanStandard.ThestandardforthecalculationoftheoverallUvalueofwindows,doorsandshutters(seeENISO10077-1[1])givesnormativereferencetotheUvaluecalculatedfortheglazingcomponentsaccordingtothisstandard.Forthepurposeofproductcomparison,averticalpositionoftheglazingisspecified.Inaddition,Uvaluesarecalculatedusingthesameprocedureforotherpurposes,inparticularforpredicting:?heatlossthroughglazing;?conductionheatgainsinsummer;?condensationonglazingsurfaces;?theeffectoftheabsorbedsolarradiationindeterminingthesolarfactor(seeBibliography,[2]).Referenceshouldbemadeto[3],[4]and[5]orotherEuropeanStandardsdealingwithheatlosscalculationsfortheapplicationofglazingUvaluesdeterminedbythisstandard.AprocedureforthedeterminationofemissivityisgiveninEN12898.Theruleshavebeenmadeassimpleaspossibleconsistentwithaccuracy.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:22P.;A4
【正文语种】:英语
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